Question

-2y³+8y+16=0 factories this please ​

Answer 1

Answer:

by using a formula of y=b±√b²-4ac/2a

y=0.625

Answer 2

Answer:

-2y^3+8y=0-16

-2y^3+8y=-16

+6y^4=-16

y^4=-16/6

y=8/3

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